@nuxtjs/sanity/dist/runtime/composables/useIsSanityPresentationTool.js

Sanity integration for Nuxt

import { computed } from "vue";
import { useSanityPreviewEnvironment } from "./useSanityPreviewEnvironment.js";
export function useIsSanityPresentationTool() {
  const env = useSanityPreviewEnvironment();
  return computed(() => {
    if (env.value === "checking") return null;
    return ["presentation-iframe", "presentation-window"].includes(env.value);
  });
}